21483040

素因数分解:

$2^5\times 5^1\times {\mathrm{134269}}^1$

素因数の和:134284

約数の個数: 24

約数和(自身を含む): 50754060

約数和(自身を除く): 29271020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 134269, 268538, 537076, 671345, 1074152, 1342690, 2148304, 2685380, 4296608, 5370760, 10741520, 21483040]

約数ペア:

[(1, 21483040), (2, 10741520), (4, 5370760), (5, 4296608), (8, 2685380), (10, 2148304), (16, 1342690), (20, 1074152), (32, 671345), (40, 537076), (80, 268538), (160, 134269)]